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evtchn.h revision 1.20 
      1  1.20     jym /*	$NetBSD: evtchn.h,v 1.20 2011/09/20 00:12:23 jym Exp $	*/
      2   1.2  bouyer 
      3   1.2  bouyer /*
      4   1.2  bouyer  *
      5   1.2  bouyer  * Copyright (c) 2004 Christian Limpach.
      6   1.2  bouyer  * All rights reserved.
      7   1.2  bouyer  *
      8   1.2  bouyer  * Redistribution and use in source and binary forms, with or without
      9   1.2  bouyer  * modification, are permitted provided that the following conditions
     10   1.2  bouyer  * are met:
     11   1.2  bouyer  * 1. Redistributions of source code must retain the above copyright
     12   1.2  bouyer  *    notice, this list of conditions and the following disclaimer.
     13   1.2  bouyer  * 2. Redistributions in binary form must reproduce the above copyright
     14   1.2  bouyer  *    notice, this list of conditions and the following disclaimer in the
     15   1.2  bouyer  *    documentation and/or other materials provided with the distribution.
     16   1.2  bouyer  *
     17   1.2  bouyer  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     18   1.2  bouyer  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     19   1.2  bouyer  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     20   1.2  bouyer  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     21   1.2  bouyer  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     22   1.2  bouyer  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     23   1.2  bouyer  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     24   1.2  bouyer  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     25   1.2  bouyer  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     26   1.2  bouyer  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     27   1.2  bouyer  */
     28   1.2  bouyer 
     29   1.2  bouyer #ifndef _XEN_EVENTS_H_
     30   1.2  bouyer #define _XEN_EVENTS_H_
     31   1.2  bouyer 
     32  1.10  bouyer #define NR_PIRQS	256
     33   1.2  bouyer 
     34   1.5  bouyer extern struct evtsource *evtsource[];
     35   1.2  bouyer 
     36   1.2  bouyer void events_default_setup(void);
     37  1.17     jym void events_init(void);
     38  1.20     jym bool events_suspend(void);
     39  1.20     jym bool events_resume(void);
     40  1.20     jym 
     41   1.9    yamt unsigned int evtchn_do_event(int, struct intrframe *);
     42  1.13    yamt void call_evtchn_do_event(int, struct intrframe *);
     43  1.16  bouyer void call_xenevt_event(int);
     44   1.6  bouyer int event_set_handler(int, int (*func)(void *), void *, int, const char *);
     45   1.5  bouyer int event_remove_handler(int, int (*func)(void *), void *);
     46   1.2  bouyer 
     47  1.19  cherry struct cpu_info;
     48  1.15  bouyer struct intrhand;
     49  1.19  cherry void event_set_iplhandler(struct cpu_info *, struct intrhand *, int);
     50  1.15  bouyer 
     51  1.14  bouyer extern int debug_port;
     52  1.14  bouyer extern int xen_debug_handler(void *);
     53  1.14  bouyer 
     54   1.5  bouyer int bind_virq_to_evtch(int);
     55   1.5  bouyer int bind_pirq_to_evtch(int);
     56  1.17     jym int unbind_pirq_from_evtch(int);
     57  1.17     jym int unbind_virq_from_evtch(int);
     58   1.2  bouyer 
     59  1.19  cherry evtchn_port_t bind_vcpu_to_evtch(cpuid_t);
     60  1.19  cherry 
     61   1.2  bouyer struct pintrhand {
     62   1.2  bouyer 	int pirq;
     63   1.5  bouyer 	int evtch;
     64   1.2  bouyer 	int (*func)(void *);
     65   1.2  bouyer 	void *arg;
     66   1.2  bouyer };
     67   1.2  bouyer 
     68  1.12  bouyer struct pintrhand *pirq_establish(int, int, int (*)(void *), void *, int,
     69  1.12  bouyer      const char *);
     70   1.2  bouyer 
     71   1.2  bouyer #endif /*  _XEN_EVENTS_H_ */
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